EliKine™ 人 IL-6 ELISA 試劑盒 | EliKine™ Human IL-6 ELISA Kit貨號KET6017 (3.125 pg/ml-200 pg/ml, 最低靈敏度2 pg/mL)
產品描述:IL-6(interleukin 6)ELISA試劑盒採用兩點夾心ELISA (Sandwich ELISA)定量樣品中的IL-6(interleukin 6)。對IL-6(interleukin 6)特異的抗體已預先包被在微孔板上。將標準品和樣品吸取到孔中,並且存在的任何IL-6(interleukin 6)都被固定的抗體結合。除去所有未結合的物質後,將HRP-綴合IL-6(interleukin 6)檢測抗體添加到孔中。洗滌以除去任何未結合的HRP試劑後,將色原溶液添加到孔中,並且根據在初始步驟中結合的IL-6(interleukin 6)的量成比例地顯色。停止顯色並測量顏色的強度。偵測範圍: 3.125 pg/ml-200 pg/ml, 最低靈敏度2 pg/mL。可應用於以下樣品來源: Cell culture supernatants, Other biological fluids, Plasma, Serum。
Product name | EliKine™ Human IL-6 ELISA Kit |
Reactivity | Human |
Applications | ELISA |
Applications notes | EliKine™ Human IL-6 ELISA Kit employs a two-site sandwich ELISA to quantitate IL-6 in samples. An antibody specific for IL-6 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any IL-6 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for IL-6 is added to the wells. After washing, proprietary EliKine™ Streptavidin-HRP conjugates is added to the wells. Following a wash to remove any unbound streptavidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of IL-6 bound in the initial step. The color development is stopped and the intensity of the color is measured. |
Detection method | Colorimetric |
SampleType | Cell culture supernatants, Other biological fluids, Plasma, Serum |
Assay type | Sandwich ELISA (quantitative) |
Assay duration | Multiple steps standard sandwich ELISA assay with a working time of 3-5 hours. It depends on the experience of the operation person. |
Alternative | IL 6; IL6; BSF2; HGF; HSF; IFNB2; IL-6; B cell stimulatory factor-2; B-cell differentiation factor; CTL differentiation factor; OTTHUMP00000158544; hybridoma growth factor; interleukin 6; interleukin BSF-2 |
Kit components | • Human IL-6 microplate • Human IL-6 standard • Human IL-6 detect antibody • EliKine™ Streptavidin-HRP • Standard diluent • Assay buffer • HRP substrate • Stop solution • Wash buffer • Plate covers. |
Features & Benefits | EliKine™ Human IL-6 ELISA Kit has high sensitivity and excellent specificity for detection of Human IL-6. No significant cross-reactivity or interference between Human IL-6 and analogues was observed. |
Calibration range | 3.125 pg/ml-200 pg/ml |
Limit of detection | 2 pg/mL |
細胞因子(Cytokine)功能
細胞因子(Cytokine)具有多種生物學功能。它是急性期反應(acute phase response)的有效誘導劑。在B細胞(B-cells)最終分化為Ig分泌細胞(Ig-secreting cells)的最終分化中起重要作用,參與淋巴細胞(lymphocyte)和單核細胞(monocyte)的分化。它誘導骨髓瘤(myeloma)和漿細胞瘤(plasmacytoma growth)生長,並誘導神經細胞分化(differentiation)。作用於B細胞(B-cells),T細胞(T-cells),肝細胞(hepatocytes),造血祖細胞(hematopoeitic progenitor cells)和CNS中樞神經系統細胞。也可以作為肌肉因子(myokine)。它在肌肉收縮後排入血液,並起到增加脂肪分解和改善胰島素抵抗(insulin resistance)的作用。
炎性細胞因子
炎症由多種可溶性因子介導,包括一組稱為細胞因子的分泌多肽。炎性細胞因子可分為兩類:參與急性炎症的細胞因子和負責任的細胞因子。炎症是組織對損傷的反應,其特徵是在急性期以增加的血流量和血管通透性以及體液,白細胞和炎性介質(例如細胞因子)的積累為特徵。幾種細胞因子在介導急性炎症反應中起關鍵作用,即IL-1,TNF-α,IL-6,IL-11,IL-8和其他趨化因子,G-CSF和GM-CSF。
已知可介導慢性炎症過程的細胞因子可分為參與體液炎症的細胞因子,例如IL-3,IL-4,IL-5,IL-6,IL-7,IL-9,IL-10,IL- 13,轉化生長因子b(TGF-b),以及那些有助於細胞炎症的因子,例如IL-1,IL-2,IL-3,IL-4,IL-7,IL-9,IL-10, IL-12,干擾素(IFN),IFN-g誘導因子(IGIF),TGF-b和TNF-a和-b。炎症異常是一大類疾病,是許多人類疾病的基礎。細胞因子是宿主對感染,免疫反應,炎症和創傷反應的調節劑。一些細胞因子起使疾病惡化的作用(促炎細胞因子),而另一些細胞因子起減輕炎症和促進癒合的作用(抗炎細胞因子)。
白介素-1(Interleukin-1, IL-1)是有史以來最早的細胞因子(cytokines)之一。它的最初發現是可能誘發發燒(fever),控制淋巴細胞(lymphocytes),增加骨髓細胞數量(bone marrow cells)並引起骨關節退化的因素。此時,IL-1以其他幾種名稱為人所知,包括內源性熱原(endogenous pyrogen),淋巴細胞活化因子(lymphocyte activating factor),造血素-1(haemopoetin-1)和單核細胞因子(mononuclear cell factor)等。大約在1984年至1985年間,科學家們證實IL-1實際上由兩種不同的蛋白質組成,現在稱為IL-1α和IL-1β,它們屬於稱為白細胞介素1超家族的細胞因子家族。 IL-1β由巨噬細胞(macrophages),單核細胞(monocytes)和樹突狀細胞(dendritic cells)產生。
IFN-γ(IFN-gamma, 干擾素-γ)是促炎(proinflammatory)細胞因子(cytokine)的原型(prototype),由多種免疫細胞(immune cells)在炎性(inflammatory)條件下產生,特別是由T細胞(T cells)和NK細胞(NK cells)產生。它通過促進Th1細胞的發育(development)和激活(activation),單核細胞(monocytes)和巨噬細胞(macrophage)的化學引誘(chemoattraction)和激活(activation),抗原呈遞分子(antigen presentation molecules)的上調以及B細胞中的免疫球蛋白類別轉換(immunoglobulin class switching),在宿主防禦中起關鍵作用。它還具有抗病毒(antiviral),抗增殖(antiproliferative)和凋亡作用(apoptotic)。另外,IFN-γ通過促進調節性T細胞的發育並抑制Th17細胞分化而充當抗炎介質。 IFN-γ二聚體通過兩個IFN-γR1和兩個IFN-γR2亞基的受體複合物發出信號。
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